No more or less than any other distilled spirit. Alcohol is converted into sugar by your liver. Heavy consumption of alcohol can play hovoc with your body's ability to regulate blood sugar. This can lead to weight gain.
Her name is Hope Cervantes, but all the Internet Movie Data Base has on her bio is that she was born in August 1984 in Dallas, Texas. That would make her 27 years old now, so perhaps she just outgrew the Purple Dinosaur.